pag. 7 es. 11)
1. is
2. are
3. are
4. is
5. is
6. am
7. are
8. are
9. are
10. are
es. 12)
1. are
2. is
3. are
4. is
5. is
6. are
7. are
8. is
9. am
10. is
es. 13)
1. my parents aren't from Bangladesh. - are my parents from Bangladesh?
2. amelia isn't off school this week. - is amelia off school this week?
3. you aren't my best friend. - are you my best friend?
4. constance isn't a silly name for a cat. - is constance a silly name for a cat?
5. it isn't 11 p.m. - is it 11 p.m.?
6. we aren't late for dinner. - are we late for dinner?
7. we aren't twins. - are we twins?
8. my father isn't a baker. - is my dad a baker?
9. I am not tired or hungry. - am I tired or hungry?
10. romeo isn't 13 years old. - is romeo 13 years old?
es. 14)
1. is it cloudy? - isn't it cloudy?
2. is your daughter thirsty? - isn't your daughter thirsty?
3. is the car engine hot? - isn't the car engine hot?
4. are rachel and catherine bored? - aren't rachel and catherine bored?
5. are you early? - aren't you early?
6. is your cat afraid? - isn't your cat afraid?
7. is she sleepy? - isn't she sleepy?
8. are we late? - aren't we late?
9. are the twins cold? - aren't the twins cold?
10. is he frightened? - isn't he frightened?
es. 15)
1. no, she isn't
2. no, she isn't
3. no, they aren't
4. no, they aren't
5. no, it isn't
6. no, she isn't
7. yes, they are
8. yes, it is
es. 16)
1. is the person a man? no, she isn't
2. is she a singer? yes, she is
3. is she blonde? no, she isn't
4. has she got long blue hair? yes, she has
5. is she Billie Eilish? yes, she is!
pag. 431 es. 1)
1. did
2. they
3. aren't
4. isn't he
5. does she
6. aren't
7. does
8. weren't
9. wouldn't
10. aren't
es. 2)
1. isn't she?
2. don't you?
3. did she?
4. don't they?
5. doesn't he?
6. don't we?
7. don't they?
8. don't you?
es. 3)
1. isn't it?
2. aren't they?
3. don't they?
4. don't they?
5. don't they?
6. don't you?
7. don't they?
8. don't they?
es. 4)
There are many types of cells, classified by their shapes and sizes. Most cells also have an outer flexible skin, called "plasma", with lots of organelles that have
precise directions and functions. The red blood cells are very important becouse they carry oxygen and haemoglobin molecules to our muscles. The human body is amazing!
